According to which one of the following scientist, an atom consists of a positively charged sphere with electron of equal magnitude embedded in it so that atom as a whole is neutral.
A)
Bohr
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B)
Thomson
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C)
Rutherford
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D)
Einstein
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E)
None of these
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What happens when an object having mass of 30 g and volume \[40\,\,c{{m}^{3}}\]is immersed in the water the density of water is\[0.5\text{ }g/c{{m}^{3}}\]?
A)
The object will float in water
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B)
The object will sink in water
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C)
The object will come outside the water
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D)
All of these
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E)
None of these
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Name the marked portion in the figure of the meristematic tissue in plant's body.
A)
Lateral meristem
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B)
Intercalalry meristem
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C)
Apical meristem
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D)
All of these
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E)
None of these
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Which one of the following radioactive's isotope is directed at the cancerous tumour in the human body to burn the cancerous cells?
A)
Germanium
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B)
Cobalt
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C)
Uranium
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D)
Iodine
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E)
None of these
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What happens when a coin is placed over the stiff card covering an empty glass tumbler is flicked fast with the finger?
A)
The card and the coin fall vertically into the class.
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B)
The card shoots away with the coin.
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C)
The card shoots away, allowing the coin to fall vertically into the glass.
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D)
The coin shoots away.
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E)
None of these
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What would be the force exerted by the earth on the moon if the mass of the earth is \[6\times {{10}^{24}}\,kg\]and that of the moon is\[7.4\times {{10}^{22}}\,\,kg\]and distance between the earth and the moon is\[3.84\times {{10}^{5}}\text{ }km\]\[\left( G=6.67\times {{10}^{-11}}\text{ N}{{m}^{2}}\text{ }k{{g}^{-2}} \right)\]?
A)
\[2.01\times {{10}^{20}}\text{ }N\]
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B)
\[3.01\times {{10}^{20}}\text{ }N\]
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C)
\[1.01\times {{10}^{22}}\text{ }N\]
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D)
\[0.01\times {{10}^{20}}\text{ }N\]
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E)
None of these
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If the solution surrounding the cell has a higher water concentration than the cell, means that the outside solution is very dilute, the cell gains water by osmosis then that solution is called:
A)
Hypertonic solution
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B)
Isotonic solution
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C)
Hypotonic solution
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D)
All of these
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E)
None of these
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When an iron object is immersed in water, it displaces 8 kg of water. How much is the up thrust force acting on the iron object, where,\[g=10\text{ }m/{{s}^{2}}\]?
A)
8 N
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B)
80 N
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C)
0.8 N
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D)
18 N
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E)
None of these
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Which one of the following types of cells is in human heart that contract rapidly, rhythmically and tirelessly?
A)
Mucous cells
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B)
Zymogen cells
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C)
Cardiac cells
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D)
Parietal cells
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E)
None of these
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A motor car is moving with velocity of \[20\text{ }m/s\]and it takes 2s to stop after applying the brake. Calculate the force exerted by the brakes on the motor car if its mass along with the passenger is 500 kg.
A)
500 N
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B)
5,000 N
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C)
1000 N
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D)
100 N
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E)
None of these
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Look at the following picture of leaf of a plant:
Which one of the following types of cell is marked by letter X?
A)
Guard cell
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B)
Epidermal cell
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C)
Mast cell
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D)
All of these
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E)
None of these
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The velocity-time graph (velocity in m/s & time in second) of a ball of mass 20 g moving along a straight line on a long table is given in picture below.
How much force does the table exert on the ball to bring it to rest?
A)
\[-\,0.25\,N\]
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B)
\[-\text{ }0.0025\text{ }N\]
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C)
\[-\,1.25\,N\]
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D)
\[-\text{ }0.0004\text{ }N\]
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E)
None of these
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A sound wave has a frequency of 5 kHz and wave length 10 cm. How long will it take to travel 2.5 km?
A)
4 s
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B)
10 s
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C)
2 s
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D)
5 s
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E)
None of these
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Find the maximum height to which an object rises when thrown vertically upwards with a velocity of \[49\text{ }m/s\].
A)
100 m
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B)
122.5 m
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C)
235.5 m
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D)
342.5 m
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E)
None of these
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What is the relation between weight of an object on the surface of the earth and the moon?
A)
\[{{W}_{e}}={{W}_{m}}/10\]
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B)
\[{{W}_{e}}={{W}_{m}}/6\]
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C)
\[{{W}_{m}}={{W}_{n}}/10\]
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D)
\[{{W}_{m}}={{W}_{e}}/6\]
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E)
None of these
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What is atomic number of aluminium?
A)
12
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B)
13
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C)
14
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D)
15
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E)
None of these
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Ravi performs the following experiment in laboratory: 1. He takes some camphor or ammonium chloride, crush it and put it in a china dish. 2. He places an inverted funnel over the china dish and put a cotton plug on the stem of the funnel then heat them. What does he notice?
A)
Formation of ammonium chloride vapors.
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B)
Liquid formation of ammonium chloride.
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C)
Ammonium chloride again converts into its solid state.
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D)
All of these
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E)
None of these
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Name the process which is used for separation of components of a mixture (separation of dyes in black ink)?
A)
Chromatography
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B)
Chemography
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C)
Distillation
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D)
All of these
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E)
None of these
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What is the molecular mass of water?
A)
22 u
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B)
19 u
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C)
20 u
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D)
18 u
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E)
None of these
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Aman: An isotope of iodine is used in the treatment of goiters. Peter: An isotope of uranium is used as a fuel in nuclear reactors. Who is correct?
A)
Aman
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B)
Peter
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C)
Both are correct
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D)
both are incorrect
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E)
None of these
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Mitochondria is known as the power houses of the cell. In which one of the following form, mitochondria releases energy?
A)
ATTP
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B)
ATP
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C)
UTTP
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D)
STP
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E)
None of these
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Which one of the following is Coelenterata?
A)
Hydra
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B)
Sycon
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C)
Spongilla
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D)
All of these
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E)
None of these
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Find the average speed of the object when an object travels 20 m in 5 seconds and then another 20 m in 3 seconds.
A)
\[3\,\,m{{s}^{-1}}\]
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B)
\[2\,\,m{{s}^{-1}}\]
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C)
\[15\,\,m{{s}^{-1}}\]
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D)
\[5\,\,m{{s}^{-1}}\]
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E)
None of these
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Rahim applies breaks to a car produce an acceleration of \[6\text{ }m{{s}^{-2}}\] in the opposite direction to the motion. Calculate the distance travelled by the car during the time if the car takes 2 s to stop after the application of breaks?
A)
40 m
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B)
30 m
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C)
12 m
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D)
20 m
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E)
None of these
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Amreek: Every object in the universe attracts every other object with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them. Nayan: Velocity of free falling objects does not change at any instant of time. Who is correct?
A)
Amreek
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B)
Nayan
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C)
Both are correct
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D)
both are incorrect
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E)
None of these
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Calculate the density of the silver in SI unit if relative density of the silver is 10.8 and density of water is\[{{10}^{3}}\text{ }kg\text{ }{{m}^{-3}}\].
A)
\[0.2\times {{10}^{2}}\text{ }kg\text{ }{{m}^{-3}}\]
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B)
\[10.2\times {{10}^{2}}\text{ }kg\text{ }{{m}^{-3}}\]
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C)
\[1000\text{ }kg\text{ }{{m}^{-3}}\]
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D)
\[10.8\times {{10}^{3}}\text{ }kg\text{ }{{m}^{-3}}\]
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E)
None of these
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Calculate the work done by a car mass of 1500 kg if velocity of the car increases from \[30\text{ }km{{h}^{-1}}\] to\[60\text{ }km{{h}^{-1}}\]?
A)
3480 J
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B)
156375 J
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C)
34654 J
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D)
456354 J
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E)
None of these
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Calculate the units of energy consumed by an electric bulb of 60 W in one day if it is used for 6 h per day.
A)
0.36 units
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B)
5.60 units
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C)
0.10 unit
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D)
2 units
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E)
None of these
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How long a sound wave takes to travel 1.5 km if its frequency is 2 kHz and wave length is 35 cm?
A)
2.4 s
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B)
1.8 s
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C)
3.4 s
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D)
2.1 s
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E)
None of these
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A ship sends out ultrasound that returns from the seabed and is detected after 3.42 s. If the speed of ultrasound through seawater is\[1531\text{ }m/s\], what is the distance of the seabed from the ship?
A)
2618 m
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B)
3630 m
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C)
4050 m
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D)
5050 m
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E)
None of these
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Arrange the following nutrients as macro and micro nutrients: Nitrogen, Potassium, Copper, Molybdenum, Chloride, Phosphorus, boron, Manganese, Zinc, Iron, and Sulphur.
A)
Macro: Copper, Potassium, Sulphur, Phosphorus. Micro: Manganese, Boron, Nitrogen, Molybdenum, Chlorine, Zinc, Iron.
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B)
Macro: Nitrogen, Potassium, Boron, Phosphorus Micro: Manganese, Sulphur, Copper, Molybdenum, Chlorine, Zinc, Iron.
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C)
Macro: Nitrogen, Potassium, Sulphur, Phosphorus. Micro: Manganese, Boron, Copper, Molybdenum, Chlorine, Zinc, Iron.
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D)
Macro: Manganese, Boron, Sulphur, Phosphorus. Micro: Copper, Molybdenum, Chlorine, Zinc, Iron, Nitrogen, Potassium.
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E)
None of these
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Which one of the following elements is not made up of the electrons, protons and neutrons subatomic particles?
A)
Oxygen
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B)
Nitrogen
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C)
Hydrogen
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D)
Sulphur
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E)
None of these
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Who discovered the photoelectric effect?
A)
Albert Einstein
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B)
J.C. Maxwell
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C)
Robert Brown
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D)
Heinrich Rudolph Hertz
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E)
None of these
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What would be the speed of the sound in blood at\[37{}^\circ \,\,C\]?
A)
\[1284\text{ }m/s\]
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B)
\[1531\text{ }m/s\]
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C)
\[1240\text{ }m/s\]
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D)
\[1570\text{ }m/s\]
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E)
None of these
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Gene is made up of:
A)
RNA molecules only
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B)
DNA molecules only
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C)
Both RNA and DNA molecules
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D)
Plasma membrane
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E)
None of these
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Which one of the following is the formula of sodium chloride?
A)
\[FeCl\]
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B)
\[C{{l}_{2}}\]
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C)
\[NaCl\]
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D)
\[CaCl\]
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E)
None of these
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Which one of the following is an example of Protista?
A)
Agaricus
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B)
Anabaena
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C)
Amoeba
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D)
Bacteria
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E)
None of these
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Exoskeletons of the animals are formed from the:
A)
Carbohydrates
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B)
Carbon dioxide
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C)
Carbon element
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D)
Carbonate salt
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E)
None of these
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Which one of the following matters has very low density?
A)
Kerosene
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B)
Hydrogen
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C)
Coal
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D)
All of these
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E)
None of these
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Vinegar is a :
A)
Suspension
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B)
Heterogeneous solution
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C)
Homogeneous solution
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D)
Colloidal mixture
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E)
None of these
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